Trait MulAssign
1.8.0 (const: unstable) · Source pub trait MulAssign<Rhs = Self> {
// Required method
fn mul_assign(&mut self, rhs: Rhs);
}
Expand description
The multiplication assignment operator *=.
§Examples
use std::ops::MulAssign;
#[derive(Debug, PartialEq)]
struct Frequency { hertz: f64 }
impl MulAssign<f64> for Frequency {
fn mul_assign(&mut self, rhs: f64) {
self.hertz *= rhs;
}
}
let mut frequency = Frequency { hertz: 50.0 };
frequency *= 4.0;
assert_eq!(Frequency { hertz: 200.0 }, frequency);
This item is validated for IEC 61508 (SIL 2) and ISO 26262 (ASIL B).
Performs the *= operation.
§Example
let mut x: u32 = 12;
x *= 2;
assert_eq!(x, 24);